4054545640 has 32 divisors (see below), whose sum is σ = 9175475880. Its totient is φ = 1612440832.

The previous prime is 4054545631. The next prime is 4054545683. The reversal of 4054545640 is 465454504.

It can be written as a sum of positive squares in 4 ways, for example, as 3552875236 + 501670404 = 59606^2 + 22398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4054545640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286039 + ... + 299878.

Almost surely, 2^4054545640 is an apocalyptic number.

4054545640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4054545640 is an abundant number, since it is smaller than the sum of its proper divisors (5120930240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4054545640 is a wasteful number, since it uses less digits than its factorization.

4054545640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586101 (or 586097 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The square root of 4054545640 is about 63675.3142120241. The cubic root of 4054545640 is about 1594.5839842948.

The spelling of 4054545640 in words is "four billion, fifty-four million, five hundred forty-five thousand, six hundred forty".